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Finding the Fourth Proportional to 298,303.84, 447,390.96 and 98,576.92

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Solution

The fourth proportional to 298,303.84, 447,390.96 and 98,576.92 is: 147,843.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,303.84 : 447,390.96 = 98,576.92 : x
  2. Step 2: Convert to fraction form
    298,303.84/447,390.96 = 98,576.92/x
  3. Step 3: Cross multiply
    298,303.84x = 447,390.96 × 98,576.92
  4. Step 4: Simplify right side
    298,303.84x = 44,102,422,872.64
  5. Step 5: Solve for x
    x = 44,102,422,872.64/298,303.84
  6. Step 6: Final answer
    x = 147,843.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.